killucan2 Posted April 21, 2020 Share Posted April 21, 2020 Anyone recommend a underlay which could be used outside. Tks!! Link to post Share on other sites More sharing options...
Methuselah Posted May 8, 2020 Share Posted May 8, 2020 What are you laying the track onto...? Link to post Share on other sites More sharing options...
Sturminster_Newton Posted March 23 Share Posted March 23 Foam won't last unless it is closed cell, but closed or open cell, any water that is trapped underneath will rot the foundation if you use timber. Loose ballast is fine if you you don't mind constant leveling and renewing. To reduce the maintenance you could add exterior PVA to the ballast but then you could get the problems outlined with closed or open cell foam. Personally I wouldn't bother life it too short. Deal with station areas and put them into their own shed or shelter leaving the connecting track exposed. Few will be too harsh with their thoughts on the lack of neat ballast. You could use sectional track that is supplied on a moulded base Kato etc but it is likely to be ££££ of investment. Link to post Share on other sites More sharing options...
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